Tech Lead- E-commerce Recommendation Infrastructure - Seattle TikTok IncTech Lead- E-commerce Recommendation Infrastructure - SeattleSeattle, WAWe work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and techniques. Bachelor s degree or above, majoring in Computer Science or related fields.
Enterprise Internal Control Partner, E-commerce - Seattle (Mandarin Speaker) TikTok IncEnterprise Internal Control Partner, E-commerce - Seattle (Mandarin Speaker)Seattle, WADevelop a comprehensive understanding of business operations, analyze operational and financial data to identify high-risk areas and anomalies, provide actionable management insights, and drive continuous optimization of business processes and control frameworks. Preferred Qualifications: Minimum 3 years of relevant experience in internal control, internal audit, risk management, business consulting, or business analysis, preferably within fast-paced or complex business environments.
Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start (PhD)Seattle, WALong-Term Value and User Experience Modeling: Explore replacing traditional heuristic rule-based systems with LLM and agent capabilities; build next-generation algorithms for measuring and optimizing long-term value (LTV) and user experience, enabling sustainable growth of the platform ecosystem. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
Machine Learning Engineer Graduate (E-Commerce Knowledge Graph) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Graduate (E-Commerce Knowledge Graph) - 2027 Start (PhD)Seattle, WACollaborate closely with our dedicated product managers, astute data scientists, and the strategic product & operation team to craft forward-thinking product strategies and features. Minimum Qualifications: Individuals who are completing or have recently completed a PhD degree in Software Development, Computer Science, Computer Engineering or a related discipline.
HR Business Partner - Global E-commerce Operations (Seattle) TikTok IncHR Business Partner - Global E-commerce Operations (Seattle)Seattle, WAAbout the Team We are on a mission to reshape the E-commerce landscape and here s a unique opportunity for a Human Resources Business Partner to support our Global E-Commerce Operations to do just that. Consult with line management and provide HR guidance when appropriate, including talent development, performance management, and employee relations.
Machine Learning Engineer, Search engine, E-Commerce Alliance TikTok IncMachine Learning Engineer, Search engine, E-Commerce AllianceSeattle, WAJob Responsibilities: Design and build large-scale machine learning algorithms to deeply optimize e-commerce search engines such as ranking, query analysis, and correlation calculation and various business indicators of sorting scenarios, including relevance, click-through rate, conversion rate, etc. By cooperating with merchants and creators, we aim to provide high-quality content and a personalized shopping experience for TikTok users, create efficient shopping tools at seller centers, and promote cooperation between merchants and creators.
Machine Learning Engineer - Global E-commerce Recommendation/Search TikTok IncMachine Learning Engineer - Global E-commerce Recommendation/SearchSeattle, WABuild long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently. Furthermore, we are involved in constructing intelligent customer service technology and large-scale product knowledge graphs, aiming to enhance efficiency across various transaction processes.
Machine Learning Engineer Graduate (E-Commerce Recommendation Live) - 2027 Start TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Live) - 2027 StartSeattle, WAThe team operates in a highly dynamic environment where live room status changes in real time, conversion signals are sparse, and user intent must be understood across content, commerce, and transaction scenarios. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
Research Scientist - TikTok E-Commerce Recommendation Foundation TikTok IncResearch Scientist - TikTok E-Commerce Recommendation FoundationSeattle, WAApply LLM technologies across retrieval, ranking, and re-ranking stages; participate in model training, inference optimization, and system co-design. Minimum Qualifications: MS/PhD in Computer Science, related technical field or equivalent industrial research experience.
TikTok Shop - Strategy & Operations Manager, Global E-Commerce Resource Management TikTok IncTikTok Shop - Strategy & Operations Manager, Global E-Commerce Resource ManagementSeattle, WAThe team operates at the center of global planning and resource allocation, partnering closely with regional leaders to ensure investments are deployed effectively and aligned with business priorities. About the team: The Global E-commerce Resource Management team for TikTok Shop plays a critical role in driving scalable growth across our international markets.
Research Scientist, TikTok E-Commerce Recommendation TikTok IncResearch Scientist, TikTok E-Commerce RecommendationSeattle, WABuild long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently. Apply machine learning algorithms to improve the different business scenarios, such as search ranking, natural language and video understanding, and trust and safety.
Machine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhD TikTok IncMachine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhDSeattle, WAPhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization s future plans and emerging technologies. Our dynamic internship experience blends hands-on learning, enriching community-building and professional development events, and collaboration with industry experts.
Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start TikTok IncMachine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 StartSeattle, WALong-Term Value and User Experience Modeling: Explore replacing traditional heuristic rule-based systems with LLM and agent capabilities; build next-generation algorithms for measuring and optimizing long-term value (LTV) and user experience, enabling sustainable growth of the platform ecosystem. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
E-Commerce Product Counsel TikTok IncE-Commerce Product CounselSeattle, WAMinimum Qualification(s): Bachelor's degree plus a Juris Doctorate from an ABA-accredited law school and a member in good standing of a U.S. state bar with experience in private law practice or in-house, providing product counseling for a technology company or application. In doing so, you will: Work with legal and product teams globally to review products, features, and new initiatives to provide legal risk mitigation strategies to ensure legal compliance for TikTok Shop from a US legal perspective.
Data Engineer, E-Commerce TikTok IncData Engineer, E-CommerceSeattle, WAMinimum Qualifications: BS or MS degree in Computer Science or related technical field or equivalent practical experience; Experience in the Big Data technologies(Hadoop, M/R, Hive, Spark, Metastore, Presto, Flume, Kafka, ClickHouse, Flink etc.); Experience with performing data analysis, data ingestion and data integration; Experience with ETL(Extraction, Transformation & Loading) and architecting data systems; Experience with schema design, data modeling and SQL queries; Passionate and self-motivated about technologies in the Big Data area. reporting, growth analysis, multi-dimensional analysis); Design and implement reliable, scalable, robust and extensible big data systems that support core products and business; Establish solid design and best engineering practice for engineers as well as non-technical people.
Machine Learning Engineer Intern (E-Commerce Supply Chain & Logistics-LLM/Agent) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Intern (E-Commerce Supply Chain & Logistics-LLM/Agent) - 2027 Start (PhD)Seattle, WAParticipate in building domain LLM model capabilities for e-commerce supply chain and logistics, including continued pre-training / CPT, SFT, preference optimization, reinforcement learning such as GRPO / PPO, reward or judge model design, model compression, inference cost and latency optimization, and landing scenarios such as address correction, trajectory prediction, logistics cost analysis, customer service semantic understanding, and root-cause analysis. Support agent architecture, engineering, evaluation, and evolution work, including runtime orchestration, memory and state management, model / tool routing, permission-safe execution, observability, benchmark and Golden Set evaluation, bad case attribution, regression testing, online feedback loops, and continuous improvement of context, skills, workflows, and model behavior.
Software Engineer Project Intern (Global E-Commerce Search Infrastructure) - 2026 Start TikTok IncSoftware Engineer Project Intern (Global E-Commerce Search Infrastructure) - 2026 StartSeattle, WASearch will propel TikTok Shop from tens of billions to hundreds of billions in annual GMV by activating real shopping intent, unlocking zero-sales products, and ensuring every item becomes instantly discoverable the moment a user types or taps. Data Pipelines: Build highly scalable and fault-tolerant data pipelines using Flink, Kafka, and Spark to ensure product changes (price, stock, and new listings) are reflected in search results in near real-time.
Software Engineer - E-commerce Recommendation Infrastructure - Seattle TikTok IncSoftware Engineer - E-commerce Recommendation Infrastructure - SeattleSeattle, WAWe work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and techniques. Minimum Qualifications.
Machine Learning Engineer Intern (E-Commerce Recommendation Mall) - 2027 Start (PhD) TikTok IncMachine Learning Engineer Intern (E-Commerce Recommendation Mall) - 2027 Start (PhD)Seattle, WALong-Term Value and User Experience Modeling: Explore replacing traditional heuristic rule-based systems with LLM and agent capabilities; build next-generation algorithms for measuring and optimizing long-term value (LTV) and user experience, enabling sustainable growth of the platform ecosystem. Experience with long-sequence user behavior modeling, multi-task learning, multi-interest modeling, or large-scale distributed training and inference optimization.
Applied Scientist, Search, E-Commerce Alliance TikTok IncApplied Scientist, Search, E-Commerce AllianceSeattle, WABy cooperating with merchants and creators, we aim to provide high-quality content and a personalized shopping experience for TikTok users, create efficient shopping tools at seller centers, and promote cooperation between merchants and creators. The e-commerce alliance team aims to serve merchants and creators in the e-commerce platform to meet merchants business indicators and improve creators creative efficiency.